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2009-05-09 MN DPH Report on Plans MINNESOTA DEPARTMENT OF HEALTH Division of Environmental Health REPORT ON PLANS Plans and specifications on watermain: Towne Lakes, Albertville, Wright County, Minnesota, Plan No. 013182 OWNERSHIP: City of Albertville, c/o Ms. Linda Goeb, Clerk, Albertville City Hall, P.O. Box 9, Albertville, Minnesota 55301-0009 SUBMITTER(S): Westwood Professional Services, Inc., 7599 Anagram Drive, Eden Prairie, Minnesota 55344 Plans Dated: Date Received: May 9, 2001 Date Reviewed: May 10,2001 SCOPE: This report covers the design of this project insofar as the safety and sanitary quality of the water for public consumption may be affected, and applies to this project only and not to the entire system or any other part thereof. The examination of plans is based upon the supposition that the data on which the design is based are correct, and that necessary legal authority has been obtained to construct the project. The responsibility for the design of structural features and the efficiency of equipment must be taken by the project designer. Approval is contingent upon satisfactory disposition of any requirements included with this report. Water supply plans are examined with regard to the location, construction and operational features of the design and maintenance of all parts of the system which may affect the safety and sanitary quality of the water. Examination is based on the standards of this department. This project consists of the installation of the following watermains: 1. 3,173 lineal feet of 12-inch PVC watermain. 2. 2,041 lineal feet of 8-inch PVC watermain. REQUlREMENT(S): 1. It is understood that the installation will be in accordance with the more stringent of the previously approved specifications for the Joint Power Water Board Standard Specifications, 1998 edition and the previously approved City Engineers Association of Minnesota Watermain Specifications, 1999 edition. 2. The d(sinfection of the watermain shall be performed according to A WW A Standard C 651. If the tablet or contiquous feed methods are used, the completed watermain shall be disinfected for 24 hours with at least 50 ppm available chlorine, with a residual of at least 10 ppm throughout the length of the main at the end of the 24-hour period. 3. A minimum vertical separation of 18 inches is required at all watermain and sewer main (house, storm, sanitary and force main) crossings. It appears the storm sewer crossing located at 0 + 05 on Sheet No.4 may be less than 18 inches from the watermain. COMPLIANCE: No construction shall take place except in accordance with the approved plans. If it is desired to make deviations from the approved plans, the State Department of Health should be consulted and approval of the changes obtained before construction is started; otherwise, such construction is installed without proper approval, and in addition may create dangers to public health. ~ Towne Lakes Watermain Plan No. 013182 Page 2 May 10, 2001 Chad M. Kolstad Public Health Engineer Section of Drinking Water Protection P.O. Box 64975 St. Paul, Minnesota 55164-0975 651/215-0792 Authorization for construction in accordance with the approved plans may be withdrawn if construction is not undertaken within a period of two years. The fact that the plans have been approved does not necessarily mean that recommendations or requirements for change will not be made at some later time when changed conditions, additional information, or advanced knowledge make improvements necessary. Approved: ~ ~~' ..\ \ i \j 0.._ S::J<>-~ ~ ~~ V)rJ , V Douglas J. 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